#include <iostream>
using std::cin;
using std::cout;
using std::endl;

void test0(){
    /* char *str = new char[10](); */
    /* char str; */
    //野指针
    char * str;
    cin >> str;
    cout << str;
}

void test1(){
    char a[200] = {0};
    cin.getline(a, 200, ' ');
    cout << a;
}

int main(void){
    test1();
    return 0;
}
